Genesis GAMT741 3-1/8-Inch Triangular Carbide Rasp N/A Imported 3-1/8-Inch triangular shaped for getting into tight corners and constricted areas Carbide grit coated for longer life and durability when aggressively removing wood, tile, adhesives, cement and mortar Primarily used for "Grinding/Sanding" with your Oscillating Tool Genesis Universal Quick-Fit Oscillating Tool Accessories fit most standard AND tool-free oscillating tools, including the popular Genesis GMT15A